Finding the Fourth Proportional to 1,554,958.26, 2,145,108.71 and 909,979.14
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Solution
The fourth proportional to 1,554,958.26, 2,145,108.71 and 909,979.14 is: 1,255,341.85
Step by Step Solution
- Step 1: Write the proportion equation
1,554,958.26 : 2,145,108.71 = 909,979.14 : x - Step 2: Convert to fraction form
1,554,958.26/2,145,108.71 = 909,979.14/x - Step 3: Cross multiply
1,554,958.26x = 2,145,108.71 × 909,979.14 - Step 4: Simplify right side
1,554,958.26x = 1,952,004,174,582.41 - Step 5: Solve for x
x = 1,952,004,174,582.41/1,554,958.26 - Step 6: Final answer
x = 1,255,341.85
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.